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    • 31. 发明授权
    • Cache memory using unique burst counter circuitry and asynchronous
interleaved RAM banks for zero wait state operation
    • 使用独特的突发计数器电路和异步交错RAM存储区的缓存存储器进行零等待状态操作
    • US5793693A
    • 1998-08-11
    • US743501
    • 1996-11-04
    • Michael J. CollinsJeffrey C. StevensGuy E. McSwain
    • Michael J. CollinsJeffrey C. StevensGuy E. McSwain
    • G06F12/08G11C13/00
    • G06F12/0851G06F12/0879
    • A cache memory system utilizing asynchronous/synchronous burst counter circuitry which lessens the need for expensive, high speed data SRAM to achieve zero wait-state operation. The burst counter circuitry takes advantage of the fact that a read address is present on the address bus approximately one-halfway through the initial bus cycle (T1) during a burst read. Unlike synchronous prior art burst counters, burst counter circuitry according to the invention is configured to forward the address to asynchronous address decoders as soon as it is present, rather than waiting for the next rising edge of the processor clock. For accesses to the first cache line, the timing budget therefore includes the first complete clock cycle of a burst read (T2) plus an extra half-clock cycle from T1. The extra time is utilized to retrieve data from the data SRAM core for provision to the processor data bus at the end of the bus cycle T2. Subsequent accesses are controlled by the burst counter in a synchronous fashion that corresponds to a processor specific burst ordering scheme. Due in part to the interleaved nature of the data SRAM, subsequent burst accesses are allotted almost 2 full clock cycles per data access. Thus, the shortest time in which the data SRAM must respond to an access request is the initial one and one-half clock cycles. Slower and less expensive data SRAMs can therefore be used to provide a cache memory capable of zero wait state operation.
    • 一种利用异步/同步突发计数器电路的高速缓冲存储器系统,其减少了对昂贵的高速数据SRAM的需求以实现零等待状态操作。 脉冲串计数器电路充分利用在脉冲串读取期间读取地址在初始总线周期(T1)大约一半的地址总线上存在的事实。 与同步现有技术的突发计数器不同,根据本发明的突发计数器电路被配置为一旦存在就将地址转发到异步地址解码器,而不是等待处理器时钟的下一个上升沿。 为了访问第一高速缓存行,定时预算因此包括突发读取(T2)的第一个完整时钟周期以及T1的额外的半个时钟周期。 额外的时间用于从数据SRAM核心检索数据,以在总线周期T2结束时提供给处理器数据总线。 随后的访问由对应于处理器专用突发排序方案的同步方式由突发计数器控制。 部分地由于数据SRAM的交错性质,随后的突发存取被分配给每个数据访问几乎2个整个时钟周期。 因此,数据SRAM必须响应访问请求的最短时间是初始的一个半个时钟周期。 因此,较慢且较便宜的数据SRAM可用于提供能够进行零等待状态操作的高速缓冲存储器。
    • 33. 发明授权
    • Analytical method for determining volatiles, solids and solvent
extractables
    • 用于测定挥发物,固体和溶剂可萃取物的分析方法
    • US4753889A
    • 1988-06-28
    • US782072
    • 1985-09-30
    • Michael J. Collins
    • Michael J. Collins
    • G01N5/04G01N22/00G01N22/04G01N25/14
    • G01N5/04G01N5/045Y10S436/908Y10T436/11Y10T436/255
    • An apparatus and method for quantitatively measuring volatiles, solids and solvent extractables is described which provides rapid and accurate determinations using microwave heating, electronic balance weighing and solvent extracting of solubles. The method involves subjecting a weighed sample to microwave drying for a preselected time, reweighing to obtain the dry weight and determine volatile loss, solvent extracting the dried sample to determine fats, oils and other extractables followed by final measurement of residual solids. The apparatus is preferably automated to sequentially actuate the required weighing, microwave heating, solvent extraction, redrying, reweighing and calculation of the percentages of volatiles, solvent solubles and solids. The apparatus and method are particularly suited for analytical uses in the food and dairy industries.
    • 描述了一种用于定量测量挥发物,固体和溶剂可萃取物的装置和方法,其使用微波加热,电子平衡称重和可溶物的溶剂萃取来提供快速和准确的测定。 该方法包括将称重的样品经微波干燥预选的时间,称重以获得干重并确定挥发性损失,溶剂萃取干燥样品以确定脂肪,油和其它可萃取物,然后最终测量残留固体。 该装置优选是自动化的,以顺序地启动挥发物,溶剂可溶物和固体的所需称量,微波加热,溶剂萃取,重新干燥,称重和计算。 该设备和方法特别适用于食品和乳制品行业的分析用途。
    • 34. 发明授权
    • Apparatuses, processes and articles for controllably heating and drying
materials by microwave radiation
    • 用于通过微波辐射可控地加热和干燥材料的装置,工艺和制品
    • US4566804A
    • 1986-01-28
    • US450198
    • 1982-12-16
    • Michael J. CollinsWyatt P. Hargett, Jr.
    • Michael J. CollinsWyatt P. Hargett, Jr.
    • G01N5/04G01N22/04H05B6/80G01N25/00G01G23/18
    • G01N22/04H05B6/80G01N5/045H05B2206/046
    • An apparatus for controllably heating material directly and indirectly by microwave radiation comprises a chamber in which the material to be heated (often to dryness, as for analysis) is placed, a source of microwave radiation for radiating into materials in such chamber for controllably heating such a material, and a support for such material, which support comprises a matrix of microwave radiation-transmissive material and a particulate microwave absorptive material dispersed in such matric material, which microwave absorptive material has a Curie temperature, above which it becomes microwave transmissive, so as thereby to prevent excessive heating of the support and the material thereon which is to be controllably heated, and which matrix material is stable and form-retaining at the Curie temperature of the dispersed material. Preferably the support will be of a silicone rubber or a polyfluoroalkylene polymer matrix, such as polytetrafluoroethylene, and the dispersed material therein will be a ferrite, garnet or mixture thereof. The apparatus may include a turntable for carrying a plurality of supports or it may include an automatic electronic balance, in both of which embodiments of the invention computerized controls and/or readout means may be present. Also within the invention are the described support, and processes for effecting such heating and/or drying, in one of which processes a particulate diluent or dispersant for the sample being treated is employed to prevent overheating thereof.
    • 用于通过微波辐射直接和间接地可控地加热材料的装置包括其中放置待加热材料(通常为干燥,用于分析)的室,用于辐射到该室中的材料中的微波辐射源,用于可控地加热 一种材料和这种材料的支撑件,其支撑包括微波辐射透射材料的基体和分散在这种基质材料中的颗粒状微波吸收材料,该微波吸收材料具有居里温度,在此之上它变成微波可透射的,因此 从而防止支撑件及其上可控制加热的材料的过度加热,并且哪种基体材料在分散材料的居里温度下是稳定的并形成保持的。 优选地,载体将是硅橡胶或多氟亚烷基聚合物基质如聚四氟乙烯,并且其中的分散材料将是铁氧体,石榴石或其混合物。 该装置可以包括用于承载多个支撑件的转盘,或者它可以包括自动电子天平,在本发明的两个实施例中,可以存在计算机控制和/或读出装置。 在本发明中还包括所描述的支撑物,以及用于进行这种加热和/或干燥的方法,其中一种方法是使用待处理样品的颗粒状稀释剂或分散剂来防止其过热。
    • 35. 发明申请
    • CONTROL METHOD AND APPARATUS
    • 控制方法和装置
    • US20120255436A1
    • 2012-10-11
    • US13081808
    • 2011-04-07
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • Michael J. CollinsDavid F. SuggsSadashiv M. SwamiRichard M. Kelly
    • B03C3/34
    • B01D53/22B01D53/326B01D2256/12B01D2257/102C01B13/0251Y02E60/366
    • A method and apparatus for controlling the electrical power applied to an electrically driven oxygen separation device having one or more composite membrane elements to separate oxygen from an oxygen containing feed. The composite membrane elements have a resistance increasing during the operation thereof that would act to reduce oxygen output if applied voltage were held constant. In order to increase the time interval for renewing the composite membrane elements, the electrical potential difference is controlled such that the electric current drawn by the elements remains at a substantially constant level by increasing the electrical potential difference as the resistance increases until a predetermined voltage level is reached. Once this level is obtained, the electrical potential difference is maintained at a constant level and the electric current being drawn and the oxygen output is allowed to decay to a predetermined low level after which the element or elements are replaced.
    • 一种用于控制施加到具有一个或多个复合膜元件的电驱动氧分离装置以从含氧进料分离氧的电功率的方法和装置。 复合膜元件在其操作期间具有电阻增加,如果施加的电压保持恒定,其将用于减少氧输出。 为了增加更新复合膜元件的时间间隔,控制电位差,使得由元件汲取的电流通过随着电阻增加直到预定的电压电平来增加电位差而保持在基本上恒定的水平 到达了。 一旦获得该电平,电位差就保持在一个恒定的水平,并且被抽出的电流和氧气输出被允许衰减到一个预定的低电平,之后元件被替换。
    • 38. 发明授权
    • Converter with feedback voltage referenced to output voltage with separate ground planes for converter and load
    • 转换器具有参考输出电压的反馈电压,具有转换器和负载的单独接地层
    • US07679295B1
    • 2010-03-16
    • US11940186
    • 2007-11-14
    • Michael J. Collins
    • Michael J. Collins
    • H05B37/02
    • H02M3/156G09G2330/028
    • A driver for a white LED string or a display is provided. The driver includes a boost converter that is arranged to provide an output voltage from a source voltage. Also, the driver includes a sense resistor that is coupled between the output voltage and a feedback voltage. The sense resistor is coupled in series with the white LED string or the display. Further, the boost converter uses the sense voltage across the sense resistor to regulate the output voltage. In one embodiment, the boost converter includes a level shifter that converts the sense voltage into a comparison signal that is referenced to ground. In another embodiment, the converter employs a reference voltage that is referenced to the output voltage.
    • 提供白色LED串或显示器的驱动程序。 驱动器包括升压转换器,其被布置成从源极电压提供输出电压。 此外,驱动器包括耦合在输出电压和反馈电压之间的检测电阻器。 感测电阻器与白色LED串或显示器串联耦合。 此外,升压转换器使用检测电阻两端的感测电压来调节输出电压。 在一个实施例中,升压转换器包括电平移位器,其将感测电压转换为参考地的比较信号。 在另一实施例中,转换器采用参考输出电压的参考电压。